Home / 1,009,935.08-1,394,215.45-628,084.88

Finding the Fourth Proportional to 1,009,935.08, 1,394,215.45 and 628,084.88

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Solution

The fourth proportional to 1,009,935.08, 1,394,215.45 and 628,084.88 is: 867,071.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,935.08 : 1,394,215.45 = 628,084.88 : x
  2. Step 2: Convert to fraction form
    1,009,935.08/1,394,215.45 = 628,084.88/x
  3. Step 3: Cross multiply
    1,009,935.08x = 1,394,215.45 × 628,084.88
  4. Step 4: Simplify right side
    1,009,935.08x = 875,685,636,636.32
  5. Step 5: Solve for x
    x = 875,685,636,636.32/1,009,935.08
  6. Step 6: Final answer
    x = 867,071.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.